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Finding the Fourth Proportional to 37.26, 55.56 and 35.22

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Solution

The fourth proportional to 37.26, 55.56 and 35.22 is: 52.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.26 : 55.56 = 35.22 : x
  2. Step 2: Convert to fraction form
    37.26/55.56 = 35.22/x
  3. Step 3: Cross multiply
    37.26x = 55.56 × 35.22
  4. Step 4: Simplify right side
    37.26x = 1,956.82
  5. Step 5: Solve for x
    x = 1,956.82/37.26
  6. Step 6: Final answer
    x = 52.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.